function [filtered_data] = FUN_lowpassFilter( data )
%FUN_plotDataFreq Summary of this function goes here
%   Detailed explanation goes here

data_offset = data - data(1);
Hd = lowpassfilter;
% Hd = bandpassfilter;
filtered_data = filter(Hd,data_offset);
% filtered_data = filtered_data - mean(filtered_data);
filtered_data = filtered_data + data(1);
end

